EP3342688A1 - Châssis de levage de cabines pour un appareil de manutention de matériaux - Google Patents

Châssis de levage de cabines pour un appareil de manutention de matériaux Download PDF

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Publication number
EP3342688A1
EP3342688A1 EP17197454.6A EP17197454A EP3342688A1 EP 3342688 A1 EP3342688 A1 EP 3342688A1 EP 17197454 A EP17197454 A EP 17197454A EP 3342688 A1 EP3342688 A1 EP 3342688A1
Authority
EP
European Patent Office
Prior art keywords
damping
bushing
lift frame
material handling
hydraulic cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP17197454.6A
Other languages
German (de)
English (en)
Inventor
Stephan Henkel
Philipp Altvater
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liebherr Hydraulikbagger GmbH
Original Assignee
Liebherr Hydraulikbagger GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liebherr Hydraulikbagger GmbH filed Critical Liebherr Hydraulikbagger GmbH
Publication of EP3342688A1 publication Critical patent/EP3342688A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/52—Details of compartments for driving engines or motors or of operator's stands or cabins
    • B66C13/54—Operator's stands or cabins
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/16—Cabins, platforms, or the like, for drivers
    • E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
    • F16F1/3835—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the sleeve of elastic material, e.g. having indentations or made of materials of different hardness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00—Lifting apparatus
    • B66F2700/05—Hydraulic jacks
    • B66F2700/052—Support- or transmission members

Definitions

  • the invention relates to a cab lift frame for a material handling device, with at least one damped mounted hydraulic cylinder.
  • the invention is further directed to a damping bushing for damping the hydraulic cylinder and to a material handling device with a corresponding Kabinenhubgestell.
  • the material handling equipment is transferred via the equipment or via a superstructure of the material handling device and the cabin lift frame itself vertical acceleration in particular on the cabin provided on the cabin lift frame and thus on the therein operating the device driver.
  • a hydraulic damping of a corresponding hydraulic cylinder with, for example, a pipe rupture protection, a diaphragm accumulator and / or with various check valves.
  • the known hydraulic damping can only ensure limited damping with correspondingly limited comfort.
  • the known devices comprise relatively many, complex and sometimes expensive components, which makes the known devices correspondingly expensive and prone to defects and not very easy in the assembly and maintenance.
  • the object of the invention is to provide an improved and, in particular, more cost-effective solution for damping the cab lifting frame of a corresponding material handling device against this background.
  • the inventive cabin lift frame can, in particular in a raised state or in a state with raised hydraulic cab elevation, minimize the vertical and optionally further accelerations during work cycles or when carrying out work.
  • a Kabinenhubgestell is provided, the hydraulic cylinder for adjusting the Kabinenhubgestells is mounted on at least one Dämpfungsbuche on Kabinenhubgestell and / or on another portion of the material handling device.
  • the hydraulic cylinder may in this case be formed as part of the cab lift frame, which is coupled via said damping bushing with other parts of the cab lift frame and / or with other sections of the material handling device.
  • the hydraulic cylinder can be a per se known cylinder-piston device, which is designed in particular for the hydraulic movement of the cabin lifting frame.
  • the other section of the material handling device can be any sections of the material handling device that are not part of the cabin lift frame.
  • New and advantageous to the cab lift according to the invention is the mechanically damped mounting of the hydraulic cylinder for moving the cab lift frame relative to the material handling device in a damping element, in particular in a damping bush or by means of a corresponding element.
  • the damping bush can be arranged on the bottom side and alternatively or additionally rod-side on the hydraulic cylinder.
  • the damping bushing is a rubber-metal bushing. It can thus comprise at least one rubber section and at least one metal section, which can in particular be in direct contact with each other. It is conceivable that the two mentioned subsections of the rubber-metal bush are each made in one piece.
  • the damping bush thus represents a purely mechanical damping device for the hydraulic cylinder and thus deviates from the known hydraulic damping devices of the prior art.
  • the damping bushing is coupled by means of at least one bearing shell on the cab lift frame and / or on another section of the material handling device.
  • the bearing shell can be made of two similar or identical halves, which are adapted to receive the damping bushing within a recess provided on the bearing shell.
  • the bearing shell can be screwed, for example, with adjacent structures, in particular of the cab lift frame.
  • the damping bushing has at least one first, in particular radially centered, and further, in particular at least partially cylindrical passage comprises.
  • a coupling element may be provided for coupling the damping bush to the hydraulic cylinder.
  • the coupling element can in turn be positively and / or positively locked within the bushing by means of securing means.
  • the damping bushing comprises at least one second bushing located radially further outward than the first bushing on the damping bushing.
  • the at least one second implementation may influence the elasticity of the damping bush by its design and be provided in particular within the rubber portion of the damping bush.
  • the damping bushing comprises at least one recess extending in the circumferential direction of the damping bush.
  • the recess may be provided, for example, within the rubber portion of the damping bush and designed to determine an elastic behavior of the damping bushing as desired deeper, wider or otherwise changed.
  • the at least one second passage is aligned in the direction of the hydraulic cylinder. It is also conceivable deviating orientation of the second implementation, in which this example, permanently oriented vertically relative to the horizontal and is not formed in response to the variable orientation of the hydraulic cylinder.
  • the invention is further directed to a damping bushing for a hydraulic cylinder of a cabin lift frame, wherein the damping bushing is a rubber-to-metal bushing is.
  • the damping bushing may further comprise all or part of the features mentioned in the description with respect to the damping bushing of the car frame. An explicit repetition of the features is therefore omitted.
  • the invention is further directed to a material handling apparatus having a cab lift frame according to any one of claims 1-8.
  • the frame is at least partially connected via a damping bushing with the remaining structure of the material handling device.
  • FIG. 1 shows a cab lift according to the invention for a material handling device, with a hydraulic cylinder 1, in the embodiment of the FIG. 1 is coupled via two damping bushings 2 with a lower portion of the Kabinenhubgestells.
  • the named lower section of the cabin lifting frame may be a connection or a connection section which is designed to couple the cabin lifting frame to the rest of the structure of a material handling device (not shown in greater detail) and may in particular comprise bushings for the mentioned coupling.
  • the damping bush 2 and the damping bushes 2 are provided on the bottom side on the hydraulic cylinder 1 in the embodiment of the figure.
  • damping bushings 2 are provided on a rod-side coupling side of the hydraulic cylinder 1.
  • This rod-side coupling point can, for example, with the in FIGS. 2 and 3 be shown portions of the cab lift frame coupled.
  • damping bushings 2 are provided for coupling the hydraulic cylinder 1 to the cabin lifting frame and / or with other structures of the material handling device.
  • the damping bushing 2 can therefore be provided on the bottom side and / or rod side on the hydraulic cylinder 1.
  • a bearing shell 3 or a plurality of bearing shells 3 may be provided for coupling the damping bushing 2 or the damping bushes 2 to structures of Kabinenhubgestells or other sections of the material handling equipment.
  • the bearing shells 3 may have a depth which is not greater than the depth of the connecting portion on which the bearing shells 3 are provided.
  • the bearing shell 3 or the bearing shells 3 may in particular comprise cylindrical recesses or at least partially cylindrical recesses for receiving the damping bushing 2.
  • the bearing shell 3 it is possible to screw a damping bushing 2 with the further structure of the cabin lifting frame and / or the material handling device, for example.
  • the bearing shell 3 may comprise bushings for locking means such as screws.
  • Each bearing shell 3 or each component of the bearing shells 3 comprises exactly four bushings for corresponding locking means. But they are also conceivable Versions of the bearing shell 3 with a different number of bushings.
  • the bearing shell 3 or the bearing shells 3 can be provided on both sides of the hydraulic cylinder 1 and in particular be arranged symmetrically to one another.
  • the bearing shells 3 can also be retrofitted to existing material handling equipment and cab hoppers according to the invention can be easily retrofitted as needed.
  • bearing shells 3 or parts of the bearing shells 3 are formed integrally with components of Kabinenhubgestells.
  • at least a lower part of a bearing shell 3 can be manufactured in one piece with a lower portion of the cabin lifting frame or welded to a lower portion of the cabin lifting frame.
  • FIGS. 2 and 3 show the cab lift in one down ( FIG. 2 ) and a substantially horizontal ( FIG. 3 ) pivoted position.
  • the cab lift frame may comprise a pedestal section 4, which is connected to a device section 5 via, for example, a four-bar linkage 6 such that the pedestal section 4 is horizontally aligned in all pivoting positions.
  • FIG. 4 shows an enlarged plan view of a damping bushing 2, which may be formed in particular as a rubber-metal bushing with at least two different subsections.
  • a subsection of the damping bush 2 may be a rubber section made of rubber, and another section may be a metal section made of metal.
  • the damping bushing 2 may further include a particularly radially centrally or asymmetrically arranged and at least partially cylindrical trained passage 21, through which a coupling device for coupling the damping bushing 2 with the hydraulic cylinder 1 can be performed.
  • a coupling device for coupling the damping bushing 2 with the hydraulic cylinder 1 can be performed.
  • upper second passage 22 may have areas with different sized radial extent.
  • a particularly small radial extent of the bushing 22 may be provided in a circumferential region of the bushing 22 middle region.
  • the circumferentially outer regions of the passage 22, however, may have larger radial extent or vice versa.
  • the second passage 22' seen in the circumferential direction can also have a constant radial extent. Furthermore, it is conceivable to provide differently dimensioned second feedthroughs 22, 22 'and also different numbers of said second feedthroughs 22, 22' on a damping bushing 2, in particular as a function of the desired elastic behavior of the damping bushing 2.
  • At least one first recess 23 extending substantially in the circumferential direction can be provided, which can be provided, for example, at the same radial distance from the center axis of the damping bushing 2 as the second bushings 22, 22 '.
  • the depth of the first recess 23 can be selected to influence the elastic behavior of the damping bushing 2.
  • the damping bush 2 can be made without mutually movable parts or with only elastically mutually movable parts. It is also conceivable that the damping bushing 2 comprises two metal sections, one of which is provided radially outward and radially inward, in the region of the first passage 21. In particular, it is conceivable that a metal section, the first implementation limited 21 and / or is formed as a hollow cylinder.
  • the diameter of the first passage 21 of the damping bushing 2 may correspond in some of the axial extent of the damping bushing 2, which is in particular at least partially hollow-cylindrical.
  • the difference between the diameter of the first passage 21 and the axial extent of the damping bushing 2 may in particular be less than 50% of the respective longer dimension.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Vibration Prevention Devices (AREA)
EP17197454.6A 2016-12-22 2017-10-20 Châssis de levage de cabines pour un appareil de manutention de matériaux Withdrawn EP3342688A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016015384.9A DE102016015384A1 (de) 2016-12-22 2016-12-22 Kabinenhubgestell für ein Materialumschlaggerät

Publications (1)

Publication Number Publication Date
EP3342688A1 true EP3342688A1 (fr) 2018-07-04

Family

ID=60182359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17197454.6A Withdrawn EP3342688A1 (fr) 2016-12-22 2017-10-20 Châssis de levage de cabines pour un appareil de manutention de matériaux

Country Status (3)

Country Link
US (1) US10894698B2 (fr)
EP (1) EP3342688A1 (fr)
DE (1) DE102016015384A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102406516B1 (ko) * 2017-11-21 2022-06-10 현대자동차주식회사 상용차용 캡 마운팅장치
CN109941360A (zh) * 2019-04-04 2019-06-28 一汽解放汽车有限公司 一种车用液压缸后倾式机械浮动装配总成
DE102021004702B4 (de) * 2021-09-17 2023-07-20 Sumitomo Riko Company Limited Lager und ein Verfahren zur Herstellung eines Lagers

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000319936A (ja) * 1999-05-12 2000-11-21 Maruma Technica Co Ltd 可動キャビンを備えた作業車
DE202004011990U1 (de) * 2004-07-30 2005-12-08 Liebherr-Hydraulikbagger Gmbh Umschlaggerät
DE102005026084A1 (de) * 2005-06-07 2006-12-14 Man Nutzfahrzeuge Ag Vorrichtung zum Kippen eines am Fahrzeugrahmen eines Nutzfahrzeugs abgefederten Fahrerhauses
JP4081114B2 (ja) * 2003-08-25 2008-04-23 東洋ゴム工業株式会社 防振装置の製造方法
CN102069707A (zh) * 2009-11-23 2011-05-25 起亚自动车株式会社 用来防止隔离装置在变速装置支座中分离的结构
CN103423351A (zh) * 2012-05-18 2013-12-04 枣阳市东方昌盛汽车部件有限公司 汽车翻转支架减振套

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH654634A5 (de) * 1981-12-14 1986-02-28 Inventio Ag Daempfender anschlag in hydraulik-heber.
DE19503499C1 (de) * 1995-02-03 1996-03-28 Fichtel & Sachs Ag Gelenkauge für einen Schwingungsdämpfer
US6517062B2 (en) * 1999-03-08 2003-02-11 Tokai Rubber Industries, Ltd. Vibration isolator
JP2008248898A (ja) * 2007-03-29 2008-10-16 Tokai Rubber Ind Ltd 筒型防振装置
EP2319995B1 (fr) * 2009-11-06 2012-10-03 Caterpillar, Inc. Appareil pour déplacer une plateforme.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000319936A (ja) * 1999-05-12 2000-11-21 Maruma Technica Co Ltd 可動キャビンを備えた作業車
JP4081114B2 (ja) * 2003-08-25 2008-04-23 東洋ゴム工業株式会社 防振装置の製造方法
DE202004011990U1 (de) * 2004-07-30 2005-12-08 Liebherr-Hydraulikbagger Gmbh Umschlaggerät
DE102005026084A1 (de) * 2005-06-07 2006-12-14 Man Nutzfahrzeuge Ag Vorrichtung zum Kippen eines am Fahrzeugrahmen eines Nutzfahrzeugs abgefederten Fahrerhauses
CN102069707A (zh) * 2009-11-23 2011-05-25 起亚自动车株式会社 用来防止隔离装置在变速装置支座中分离的结构
CN103423351A (zh) * 2012-05-18 2013-12-04 枣阳市东方昌盛汽车部件有限公司 汽车翻转支架减振套

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Publication number Publication date
DE102016015384A1 (de) 2018-06-28
US20180179028A1 (en) 2018-06-28
US10894698B2 (en) 2021-01-19

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